Frontier models ship with the controls to run them longer
Claude Sonnet 4.5, Sora 2 and Instant Checkout, and The Deploy Log for this week. Every price and claim read off the publisher's own page, with a call on each.
Anthropic
Claude Sonnet 4.5
DEPLOYif you build coding agents
WHAT SHIPPEDClaude Sonnet 4.5 is available everywhere today at $3/$15 per million tokens, the same price as Claude Sonnet 4. It leads OSWorld at 61.4% and maintains focus for more than 30 hours on complex tasks.
THE CATCHThe Claude Agent SDK ships the same infrastructure that powers Claude Code, including memory, permissions, and subagent coordination, so the model's long task focus is paired with the tooling to delegate work.
IF YOU RUNa coding team that wants to hand Claude Code broad refactors or feature exploration and rewind instantly when a change goes wrong
SOURCEAnthropic, Introducing Claude Sonnet 4.5
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